Classifications

• • A—HUMAN NECESSITIES
  • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
  • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
  • A61K8/00—Cosmetics or similar toiletry preparations
  • A61K8/18—Cosmetics or similar toiletry preparations characterised by the composition
  • A61K8/72—Cosmetics or similar toiletry preparations characterised by the composition containing organic macromolecular compounds
  • A61K8/73—Polysaccharides
  • A61K8/731—Cellulose; Quaternized cellulose derivatives
• • A—HUMAN NECESSITIES
  • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
  • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
  • A61K8/00—Cosmetics or similar toiletry preparations
  • A61K8/02—Cosmetics or similar toiletry preparations characterised by special physical form
  • A61K8/0241—Containing particulates characterized by their shape and/or structure
  • A61K8/025—Explicitly spheroidal or spherical shape
• • A—HUMAN NECESSITIES
  • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
  • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
  • A61K8/00—Cosmetics or similar toiletry preparations
  • A61K8/02—Cosmetics or similar toiletry preparations characterised by special physical form
  • A61K8/04—Dispersions; Emulsions
  • A61K8/06—Emulsions
  • A61K8/062—Oil-in-water emulsions
• • A—HUMAN NECESSITIES
  • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
  • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
  • A61K8/00—Cosmetics or similar toiletry preparations
  • A61K8/18—Cosmetics or similar toiletry preparations characterised by the composition
  • A61K8/72—Cosmetics or similar toiletry preparations characterised by the composition containing organic macromolecular compounds
  • A61K8/81—Cosmetics or similar toiletry preparations characterised by the composition containing organic macromolecular compounds obtained by reactions involving only carbon-to-carbon unsaturated bonds
  • A61K8/8141—Compositions of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides or nitriles thereof; Compositions of derivatives of such polymers
  • A61K8/8152—Homopolymers or copolymers of esters, e.g. (meth)acrylic acid esters; Compositions of derivatives of such polymers
• • A—HUMAN NECESSITIES
  • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
  • A61Q—SPECIFIC USE OF COSMETICS OR SIMILAR TOILETRY PREPARATIONS
  • A61Q17/00—Barrier preparations; Preparations brought into direct contact with the skin for affording protection against external influences, e.g. sunlight, X-rays or other harmful rays, corrosive materials, bacteria or insect stings
  • A61Q17/04—Topical preparations for affording protection against sunlight or other radiation; Topical sun tanning preparations
• • A—HUMAN NECESSITIES
  • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
  • A61Q—SPECIFIC USE OF COSMETICS OR SIMILAR TOILETRY PREPARATIONS
  • A61Q19/00—Preparations for care of the skin
• • A—HUMAN NECESSITIES
  • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
  • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
  • A61K2800/00—Properties of cosmetic compositions or active ingredients thereof or formulation aids used therein and process related aspects
  • A61K2800/40—Chemical, physico-chemical or functional or structural properties of particular ingredients
  • A61K2800/41—Particular ingredients further characterized by their size
  • A61K2800/412—Microsized, i.e. having sizes between 0.1 and 100 microns

Definitions

• the present invention relates to a composition, preferably a cosmetic composition, and more preferably a skin cosmetic composition, which is stable and can provide texture transformation and non-stickiness.
• Imparting a comfortable texture to skin is one of the key features of cosmetic products, in particular skincare cosmetic products.
• texture transformation change in texture from, for example, a gel or cream to a liquid, which corresponds to the change in physical properties of a composition, such as a collapse of the structure of the composition which could allow liquid to flow out from the composition
• a refreshing feel at the early stage of application as well as a non-sticky feeling or a reduced sticky feeling after application, are still needed for consumer satisfaction on use.
• compositions which is unstable and easily causes a collapse of the structure of the composition often provides a comfortable feel on use. This means that it is difficult to provide both a comfortable feel on use and good stability at the same time.
• WO2022/124385 discloses a stable composition which can provide texture transformation.
• An objective of the present invention is to provide a stable composition which can provide no or reduced sticky feeling, after application, in addition to texture transformation during application.
• composition preferably a cosmetic composition, and more preferably a skin cosmetic composition, comprising:
• the (a) cellulose particle may have a wet point for oil of at least 40 ml/100g, preferably at least 50 ml/100g, and more preferably at least 60 ml/100g, and a wet point for water of at least 100 ml/100g, preferably at least 200 ml/100g, and more preferably at least 300 ml/100g.
• the ratio of the wet point for water/the wet point for oil of the (a) cellulose particle may be 5 or less, preferably 4 or less, and more preferably 2 or less.
• the (a) cellulose particle may be spherical.
• the (b) associative polymer may comprise one or more (meth)acrylic acid (C 1 -C 12 )alkyl ester units.
• the (b) associative polymer may comprise one or more units derived from polyoxyalkylenated fatty alcohols.
• the amount of the (b) associative polymer(s) in the composition according to the present invention may be from 0.01% to 10% by weight, preferably from 0.05% to 5% by weight, and more preferably from 0.1% to 1% by weight relative to the total weight of the composition.
• composition according to the present invention may further comprise (d) at least one lipophilic organic UV filter.
• the (d) lipophilic organic UV filter may be selected from the group consisting of drometrizole trisiloxane, bis(ethylhexyloxyphenol)methoxyphenyltriazine, ethylhexyl triazone, diethylamino hydroxybenzoyl hexyl benzoate, butyl methoxybenzoylmethane, ethylhexyl methoxycinnamate, ethylhexyl salicylate, octocrylene, homosalate, and a mixture thereof.
• the amount of the (d) lipophilic organic UV filter(s) in the composition according to the present invention may be from 1% to 30% by weight, preferably from 3% to 25% by weight, and more preferably from 5% to 20% by weight relative to the total weight of the composition,
• composition according to the present invention may further comprise (e) at least one oil, preferably selected from polar oils, and more preferably selected from ester oils, artificial triglycerides, and mixtures thereof.
• composition according to the present invention may further comprise (f) at least one nonionic surfactant, preferably selected from polyglyceryl fatty acid esters, and more preferably polyglyceryl fatty acid monoesters.
• at least one nonionic surfactant preferably selected from polyglyceryl fatty acid esters, and more preferably polyglyceryl fatty acid monoesters.
• the present invention also relates to a cosmetic process for treating a keratin substance, comprising the step of applying the composition according to the present invention to the keratin substance.
• one aspect of the present invention is a composition comprising:
• composition according to the present invention is stable and can provide no or reduced sticky feeling, after application, in addition to texture transformation during application.
• composition according to the present invention is stable just after the preparation of the composition and for a long time after the preparation of the composition, even under temperature changes from a cold to hot temperature. Therefore, the composition according to the present invention is stable over time, and can be stored for a long period of time even under temperature changes occurring from winter to summer.
• composition according to the present invention can provide no sticky feeling or a reduced sticky feeling, after application.
• the term “sticky” here means a property which provides a tacky feeling to the skin.
• the composition according to the present invention can provide texture transformation during application, preferably at the early stage of application.
• the texture transformation here means a change in texture from, for example, a gel or cream to a liquid, which corresponds to the change in physical properties of a composition, such as a collapse of the structure of the composition which could allow liquid to flow out from the composition.
• the texture transformation can provide refreshing feeling.
• the composition according to the present invention can provide an excellent feeling to touch, in particular on feeling of the skin during and after application of the composition.
• composition according to the present invention comprises (d) at least one lipophilic organic UV filter, which has properties similar to those of oil and may cause oily or greasy feeling and shiny aspect such as shiny skin, after application, the composition according to the present invention can provide no or reduced oily or greasy feeling, and no or reduced shiny aspect, such as shiny skin
• composition according to the present invention comprises (d) at least one lipophilic organic UV filter
• the composition according to the present invention is stable and can provide no or reduced sticky feeling, as well as no or reduced oily/greasy feeling, and no or reduced shiny aspect, after application, in addition to texture transformation during application.
• composition according to the present invention includes (a) at least one cellulose particle with specific properties, If two or more cellulose particles are used, they may be the same or different.
• the particle size of the (a) cellulose particle corresponds to a primary particle size.
• the particle size here means an average or mean particle size, which may be a volume-average particle size, which can be determined by, for example, a laser diffraction particle size analyzer.
• the particle size of the (a) cellulose particle, used for the present invention is not limited. However, it is preferable that the particle size of the (a) cellulose particle be 50 ⁇ m or less, preferably 30 ⁇ m or less, more preferably 15 ⁇ m or less, even more preferably 10 ⁇ m or less, and particularly preferably from 2 to 5 ⁇ m.
• 90 vol% or more of the (a) cellulose particles used for the present invention have an average primary particle size ranging from 0.1 to 10 ⁇ m, preferably from 0.5 to 8 ⁇ m, and more preferably from 1 to 7 ⁇ m. If 90 vol% or more of the (a) cellulose particles have an average primary particle size ranging from 1 to 7 ⁇ m, optical effects due to the particles may also be achieved.
• the (a) cellulose particle used for the present invention may be in any particulate form.
• the ratio of the longest diameter/the shortest diameter of the (a) cellulose particle used for the present invention range from 1.0 to 10, preferably from 1.0 to 5, and more preferably from 1.0 to 3.
• the (a) cellulose particle be spherical, preferably with a ratio of the longest diameter/the shortest diameter of from 1.0 to 1.1.
• the (a) cellulose particle used for the present invention may have a wet point for oil being at least 40 ml/100g, preferably at least 50 ml/100g, more preferably at least 60 ml/100g, more preferably at least 100 ml/100g, and even more preferably at least 250 ml/100g, and preferably 1500 ml/100g or less; and a wet point for water being at least 100 ml/100g, preferably at least 200 ml/100g, more preferably at least 300 ml/100g, even more preferably at least 350 ml/100g, and preferably 1500 ml/100g or less.
• wet point for oil in the specification means a quantity or amount of oil which is necessary to make a target powder completely wet, which can be recognized, in particular, by the formation of a paste with the target powder.
• the wet point for oil can be determined by the following protocol.
• ( 1 ) 2g of a target powder is kneaded with a spatula on a glass plate while adding oil, in particular linear ester oil, such as isononyl isononanoate (WICKENOL 151 / ALZO).
• oil in particular linear ester oil, such as isononyl isononanoate (WICKENOL 151 / ALZO).
• the weight of the added oil is determined as the weight of the wet point.
• wet point for water in the specification means a quantity or amount of water which is necessary to make a target powder completely wet, which can be recognized, in particular, by the formation of a paste with the target powder.
• the wet point for water can be determined by the following protocol.
• the weight of the added water is determined as the weight of the wet point.
• the ratio of the wet point for water/the wet point for oil of the (a) cellulose particle used for the present invention be 5 or less, preferably 4 or less, more preferably 3 or less, and even more preferably 2 or less, and preferably 0.1 or more.
• the (a) cellulose particle may be porous or non-porous, preferably porous.
• the porosity of the (a) cellulose particle may be characterized by a specific surface area of from 0.05 m 2 /g to 1,500 m 2 /g, more preferably from 0.1 m 2 /g to 1,000 m 2 /g, and even more preferably from 0.2 m 2 /g to 500 m 2 /g according to the BET method.
• the cellulose that may be used for the (a) cellulose particle is not limited by the types of cellulose such as cellulose I, cellulose II, or the like.
• type II cellulose is preferable.
• the (a) cellulose particle preferably a spherical cellulose particle, can be prepared, for example, as follows.
• a slurry of calcium carbonate, as an aggregation inhibitor, is added to an alkaline water- soluble anionic polymer aqueous solution, and stirred.
• Viscose and the aqueous solution obtained in the above (1) are mixed to form a dispersion of viscose fine particles.
• the viscose is a raw material of the cellulose. It is preferable to use viscose with a gamma value of 30 to 100% by mass and an alkaline concentration of 4 to 10% by mass.
• a water- soluble anionic polymer mention may be made of polyacrylic acid sodium salt, polystyrene sulfonic acid sodium salt, and the like.
• the above calcium carbonate is used to prevent the aggregation of viscose fine particles in the dispersion and to make the particle size of the cellulose particle smaller.
• the calcium carbonate slurry mention may be made of Tama Pearl TP- 221GS marketed by Okutama Kogyo Co., Ltd. in Japan.
• the (a) cellulose particle may or may not include a cellulose derivative.
• the cellulose derivative may be chosen from cellulose esters and ethers.
• cellulose ester means, in the text hereinabove and hereinbelow, a polymer consisting of an a (1-4) sequence of partially or totally esterified anhydroglucose rings, the esterification being obtained by the reaction of all or only some of the free hydroxyl functions of the said anhydroglucose rings with a linear or branched carboxylic acid or carboxylic acid derivative (acid chloride or acid anhydride) containing from 1 to 4 carbon atoms.
• the cellulose ester results from the reaction of some of the free hydroxyl functions of said rings with a carboxylic acid containing from 1 to 4 carbon atoms.
• the cellulose esters are chosen from cellulose acetates, propionates, butyrates, isobutyrates, acetobutyrates and acetopropionates, and mixtures thereof.
• These cellulose esters may have a weight-average molecular mass ranging from 3,000 to 1,000,000, preferably from 10,000 to 500,000 and more preferably from 15,000 to 300,000.
• cellulose ether means a polymer consisting of an a (1-4) sequence of partially etherified anhydroglucose rings, some of the free hydroxyl functions of said rings being substituted with a radical -OR, R preferably being a linear or branched alkyl radical containing from 1 to 4 carbon atoms.
• the cellulose ethers are thus preferably chosen from cellulose alkyl ethers with an alkyl group containing from 1 to 4 carbon atoms, such as cellulose methyl, propyl, isopropyl, butyl and isobutyl ethers.
• These cellulose ethers may have a weight-average molecular mass ranging from 3,000 to 1,000,000, preferably from 10,000 to 500,000 and more preferably from 15,000 to 300,000.
• (a) cellulose particle used for the present invention mention may be made of, for example, the following spherical cellulose particles marketed by Daito Kasei in Japan:
• the wet point for oil is, at maximum, 80 ml/100g, the wet point for water is 250 ml/100g, and the ratio of the wet point for water/the wet point for oil is 3.1 or less) with an average particle size of 3-5 ⁇ m;
• the wet point for oil is, at maximum, 70 ml/100g, the wet point for water is 150 ml/100g, and the ratio of the wet point for water/the wet point for oil is 2.1 or less) with an average particle size of 8- 10 ⁇ m;
• the wet point for oil is, at maximum, 60 ml/100g
• the wet point for water is 140 ml/100g
• the ratio of the wet point for water/the wet point for oil is 2.3 or less
• the (a) cellulose particle used for the present invention may or may not be coated beforehand.
• the (a) cellulose particle is originally coated.
• the material of an original coating of the particle is not limited, but an organic material such as a mono- or di- carboxylic acid or a salt thereof, an amino acid, an N-acylamino acid, an amido, a silicone and a modified silicone may be preferable.
• an organic material such as potassium succinate, lauroyl lysine and acryl-modified silicone.
• the (a) cellulose particle used for the present invention may be surface-treated.
• Fluorine-based compound treatments such as treatments with perfluoroalkylphosphates, perfluoroalkylsilanes, perfluoropolyethers, fluorosilicones, and fluorinated silicone resins
• Silicone treatments such as treatments with methylhydrogenpolysiloxanes, dimethylpolysiloxanes, and tetramethyltetrahydrogencyclotetrasiloxane in a gas phase
• the amount of the (a) cellulose particle(s) in the composition according to the present invention may be from 0.1% by weight or more, preferably 0.5% by weight or more, and more preferably 1 % by weight or more, relative to the total weight of the composition.
• the amount of the (a) cellulose particle(s) in the composition according to the present invention may be 20% by weight or less, preferably 15% by weight or less, and more preferably 10% by weight or less, relative to the total weight of the composition.
• the amount of the (a) cellulose particle(s) in the composition according to the present invention may be from 0.1% to 20% by weight, preferably from 0.5% to 15% by weight, and more preferably from 1% to 10% by weight relative to the total weight of the composition.
• composition according to the present invention comprises (b) at least one associative polymer comprising one or more acrylic and/or methacrylic units. If two or more such associative polymers are used, they may be the same or different.
• the (b) associative polymer can function as a thickener.
• sociative polymer refers to homopolymers or copolymers that are capable, in an aqueous medium, of reversibly combining with each other or with other molecules.
• the (b) associative polymer used for the present invention is preferably an associative copolymer of one or more acrylic and/or methacrylic units and of other units.
• the (b) associative polymer more particularly comprises at least one hydrophilic part and at least one hydrophobic part,
• hydrophobic group means a radical or polymer with a saturated or unsaturated, linear or branched hydrocarbon-based chain, comprising at least 10 carbon atoms, preferably from 10 to 30 carbon atoms, in particular from 12 to 30 carbon atoms and more preferentially from 16 to 30 carbon atoms.
• the (b) associative polymer comprising one or more acrylic and/or methacrylic units means that the polymer comprises at least one acrylic acid unit or at least one methacrylic acid unit or a mixture thereof.
• the (b) associative polymer may comprise further units such as units formed by an alkyl ester of acrylic acid or methacrylic acid, preferably of acrylic acid, comprising less than 6 carbon atoms: for example, a C 1 -C 4 alkylacrylate, for example, chosen from methyl acrylate, ethyl acrylate and butyl acrylate, called hereinafter "simple ester".
• the (b) associative polymer used for the present invention comprises one or more (meth)acrylic acid (C 1 -C 12 ) alkyl ester units, more preferably one or more (meth)acrylic acid (C 1 -C 6 ) alkyl ester units.
• the (b) associative polymer used for the present invention comprises one or more acrylic acid units. According to a further embodiment, the (b) associative polymer used for the present invention comprises one or more methacrylic acid units. According to another embodiment, the (b) associative polymer used for the present invention comprises one or more acrylic acid units and one or more methacrylic acid units.
• the (b) associative polymer may comprise another unit derived from another monomer that is different from (meth)acrylic acid.
• such monomer may be esters of ethylenically unsaturated hydrophilic monomers, such as (meth)acrylic acid or itaconic acid, and of polyoxyalkylenated fatty alcohols.
• the fatty alcohol moiety of the ester monomer can be linear or branched, preferably linear, saturated or unsaturated, preferably saturated, (C 12 -C 30 ) fatty alcohol, and in particular (C 16 -C 26 ) fatty alcohol.
• the poly oxyalkylene chain of the ester monomer preferentially consists of ethylene oxide units and/or propylene oxide units and even more particularly consists of ethylene oxide units.
• the number of oxyalkylene units generally ranges from 3 to 100, preferably from 7 to 50 and more preferably from 12 to 30.
• (b) associative polymer mention may be made, for example, of the product sold under the commercial name: NOVETHIX L-10 POLYMER® (INCI name: ACRYLATES/BEHENETH-25 METHACRYLATE COPOLYMER) sold by LUBRIZOL, the product under the commercial name: Aculyn® 28 (INCI name: ACRYLATES/BEHENETH- 25 METHACRYLATE COPOLYMER) sold by DOW CHEMICAL, the product sold under the commercial name: Aculyn® 22 (INCI name: ACRYLATES/STEARETH-20 METHACRYLATE COPOLYMER) sold by DOW CHEMICAL, the product sold under the commercial name: Aculyn® 88 (INCI name: ACRYLATES/STEARETH-20 METHACRYLATE CROSSPOLYMER) sold by DOW CHEMICAL, the product sold under the commercial name: STRUCTURE® 2001 (INCI name: ACRYLATES/STEARETH-20 ITACONATE COPO
• the (b) associative polymer that can be used for the present invention may also be chosen from anionic associative (co)polymers containing acrylic and/or methacrylic units.
• the (meth)acrylic anionic associative (co)polymer that may be used for the present invention may be chosen from those comprising at least one hydrophilic unit of unsaturated olefinic carboxylic acid type, and at least one hydrophobic unit of a type such as a (C 10 -C 30 ) alkyl ester of an unsaturated carboxylic acid.
• these (meth)acrylic associative (co)polymers are preferably chosen from those in which the hydrophilic unit of unsaturated olefinic carboxylic acid type corresponds to the monomer of formula (I) below: in which R 1 denotes H or CH 3 , i.e, acrylic acid or methacrylic acid units, and in which the hydrophobic unit of (C 10 -C 30 ) alkyl ester of unsaturated carboxylic acid type corresponds to the monomer of formula (II) below: in which R 1 denotes H or CH 3 (i.e. acrylate or methacrylate units), R 2 denoting a C 10 -C 30 and preferably a C 12 -C 22 alkyl radical.
• the (meth)acrylic associative (co)polymer that may be used for the present invention may more particularly denote polymers formed from a mixture of monomers comprising:
• crosslinking agent can mean a monomer containing the group and at least one other polymerizable group, the unsaturated bonds of the monomer being unconjugated relative to each other.
• crosslinking agent that may be used for the present invention, mention may especially be made of polyallyl ethers especially such as polyallyl sucrose and polyallylpentaerythritol.
• the ones particularly preferred for the present invention are the products sold by the company Goodrich under the trade names Pemulen TRI, Pemulen TR2, Carbopol 1382, and more preferably still Pemulen TRI, and the product sold by the company S.E.P.C. under the name Coatex SX.
• (meth)acrylic associative (co)polymer mention may also be made of the copolymer of methacrylic acid/methyl acrylate/dimethyl-meta-isopropenylbenzyl isocyanate of ethoxylated alcohol sold under the name Viscophobe DB 1000 by the company Amerchol.
• (meth)acrylic associative (co)polymers that may be used for the present invention may also be sulfonic polymers comprising at least one (meth)acrylic monomer bearing sulfonic group(s), in free form or partially or totally neutralized form and comprising at least one hydrophobic portion.
• the said hydrophobic portion present in the said sulfonic polymers that may be used for the present invention preferably comprises from 8 to 22 carbon atoms, more preferably from 8 to 18 carbon atoms and more particularly from 12 to 18 carbon atoms.
• these sulfonic polymers that may be used for the present invention are partially or totally neutralized with a mineral base (sodium hydroxide, potassium hydroxide or aqueous ammonia) or an organic base such as mono-, di- or triethanolamine, an aminomethylpropanediol, N-methylglucamine, basic amino acids, for instance arginine and lysine, and mixtures of these compounds.
• a mineral base sodium hydroxide, potassium hydroxide or aqueous ammonia
• organic base such as mono-, di- or triethanolamine, an aminomethylpropanediol, N-methylglucamine, basic amino acids, for instance arginine and lysine, and mixtures of these compounds.
• These said sulfonic polymers generally have a number-average molecular weight ranging from 1000 to 20 000 000 g/mol, preferably ranging from 20 000 to 5 000 000 g/mol and even more preferably from 100 000 to 1 500000 g/mol.
• the sulfonic polymers that may be used for the present invention may or may not be crosslinked.
• Crosslinked polymers are preferably chosen.
• the crosslinking agents may be selected from polyolefinically unsaturated compounds commonly used for the crosslinking of polymers obtained by free-radical polymerization. Mention may be made, for example, of divinylbenzene, diallyl ether, dipropylene glycol diallyl ether, polyglycol diallyl ethers, triethylene glycol divinyl ether, hydroquinone diallyl ether, ethylene glycol diacrylatedi(meth)acrylate or tetraethylene glycol diacrylatedi(meth)acrylate, trimethylolpropane triacrylate, methylenebisacrylamide, methylenebismethacrylamide, triallylamine, triallyl cyanurate, diallyl maleate, tetraallylethylenediamine, tetraallyloxyethane, trimethylolpropane diallyl ether, allyl (meth)acrylate, allyl ethers of alcohols of the sugar series, or other allyl or
• Methylenebisacrylamide, allyl methacrylate or trimethylolpropane triacrylate (TMPTA) will be used more particularly.
• the degree of crosslinking will generally range from 0.01 mol% to 10 mol% and more particularly from 0.2 mol% to 2 mol% relative to the polymer.
• the (meth)acrylic monomers bearing sulfonic group(s) of the sulfonic polymers that may be used for the present invention are chosen especially from (meth)acrylamido(C 1 -C 22 )alkylsulfonic acids and N-(C 1 -C 22 )alkyl(meth)acrylamido(C 1 -C 22 )alkylsulfonic acids, for instance undecylacrylamidomethanesulfonic acid, and also partially or totally neutralized forms thereof.
• (Meth)acrylamido(C 1 -C 22 )alkylsulfonic acids for instance acrylamidorriethanesulfonic acid, acrylamidoethanesulfonic acid, acrylamidopropanesulfonic acid, 2-acrylamido-2- methylpropanesulfonic acid, methacrylamido-2-methylpropanesulfonic acid, 2-acrylamido-n- butanesulfonic acid, 2-acrylamido-2,4,4-trimethylpentanesulfonic acid, 2- methacrylamidododecylsulfonic acid or 2-acrylamido-2,6-dimethyl-3 -heptanesulfonic acid, and also partially or totally neutralized forms thereof, will more preferentially be used.
• 2- Acrylamido-2-methylpropanesulfonic acid (AMPS) and also partially or totally neutralized forms thereof, will even more particularly be used.
• the (meth)acrylic associative thickeners that may be used for the present invention may be chosen especially from random amphiphilic AMPS polymers modified by reaction with a C 6 -C 22 n- monoalkylamine or C 6 -C 22 di-n-alkylamine, such as those described in patent application WO 00/31154 (which forms an integral part of the content of the description).
• These polymers may also contain other ethylenically unsaturated hydrophilic monomers selected, for example, from (meth)acrylic acids, 0-substituted alkyl derivatives thereof or esters thereof obtained with monoalcohols or mono- or polyalkylene glycols, (meth)acrylamides, vinylpyrrolidone, maleic anhydride, itaconic acid or maleic acid, or mixtures of these compounds.
• the (meth)acrylic associative thickeners bearing sulfonic group(s) that may particularly preferably be used for the present invention are preferably chosen from amphiphilic copolymers of AMPS and of at least one ethylenically unsaturated hydrophobic monomer comprising at least one hydrophobic portion containing from 8 to 50 carbon atoms, more preferably from 8 to 22 carbon atoms, more preferably still from 8 to 18 carbon atoms and more particularly 12 to 18 carbon atoms.
• copolymers may also contain one or more ethylenically unsaturated monomers not comprising a fatty chain, such as (meth)acrylic acids, 0-substituted alkyl derivatives thereof or esters thereof obtained with monoalcohols or mono- or polyalkylene glycols, (meth)acrylamides, vinylpyrrolidone, maleic anhydride, itaconic acid or maleic acid, or mixtures of these compounds.
• monomers not comprising a fatty chain such as (meth)acrylic acids, 0-substituted alkyl derivatives thereof or esters thereof obtained with monoalcohols or mono- or polyalkylene glycols, (meth)acrylamides, vinylpyrrolidone, maleic anhydride, itaconic acid or maleic acid, or mixtures of these compounds.
• the ethylenically unsaturated hydrophobic monomers of these particular copolymers are preferably selected from the acrylates or acrylamides of formula (IV) below: in which R 5 and R 7 , which may be identical or different, denote a hydrogen atom or a linear or branched C 1 -C 6 alkyl radical (preferably methyl); Y denotes O or NH; R 6 denotes a hydrophobic hydrocarbon-based radical containing at least 8 to 50 carbon atoms, more preferentially from 8 to 22 carbon atoms, even more preferentially from 6 to 18 carbon atoms and more particularly from 12 to 18 carbon atoms; x denotes the number of moles of alkylene oxide and ranges from 0 to 100.
• R 5 and R 7 which may be identical or different, denote a hydrogen atom or a linear or branched C 1 -C 6 alkyl radical (preferably methyl); Y denotes O or NH; R 6 denotes a hydrophobic hydro
• the radical R 6 is preferably chosen from linear C 6 -C 18 alkyl radicals (for example n-hexyl, n- octyl, n-decyl, n-hexadecyl, n-dodecyl), or branched or cyclic C 6 -C 18 alkyl radicals (for example cyclododecane (C 12 ) or adamantane (C 10 )); C 6 -C 18 perfluoroalkyl radicals (for example the group of formula -(CH 2 ) 2 -(CF 2 ) 9 -CF 3 ); the cholesteryl radical (C 27 ) or a cholesterol ester residue, for instance the cholesteryl oxyhexanoate group; aromatic polycyclic groups such as naphthalene or pyrene.
• these radicals the ones that are more particularly preferred are linear alkyl radicals and more particularly the n-dodecyl radical.
• the monomer of formula (IV) comprises at least one alkylene oxide unit (x ⁇ 1) and preferably a polyoxyalkylene chain.
• the polyoxyalkylene chain preferentially consists of ethylene oxide units and/or propylene oxide units and even more particularly consists of ethylene oxide units,
• the number of oxyalkylene units generally ranges from 3 to 100, more preferably from 3 to 50 and more preferably still from 7 to 25.
• - terpolymers comprising from 10 mol% to 90 mol% of acrylamide units, from 0,1 mol% to 10 mol% of AMPS units and from 5 mol% to 80 mol% of n-( C 6 -C 18 )alkylacrylamide units, such as those described in patent US-5 089 578.
• copolymers of totally neutralized AMPS and of dodecyl methacrylate and also crosslinked and non-crosslinked copolymers of AMPS and of n- dodecylmethacrylamide, such as those described in the Morishima articles mentioned above.
• R 5 denotes methyl
• R 8 represents a C 16 -C 24 alkyl chain, such as a stearyl group, or behenyl group is particularly preferred.
• the polymers for which X + denotes sodium or ammonium are more particularly preferred.
• the amount of the (b) associative polymer(s) in the composition according to the present invention may be from 0.01% by weight or more, preferably 0.05% by weight or more, and more preferably 0.1% by weight or more, relative to the total weight of the composition.
• the amount of the (b) associative polymer(s) in the composition according to the present invention may be 10% by weight or less, preferably 5% by weight or less, and more preferably 1% by weight or less, relative to the total weight of the composition.
• the amount of the (b) associative polymer(s) in the composition according to the present invention may be from 0,01% to 10% by weight, preferably from 0.05% to 5% by weight, and more preferably from 0,1% to 1% by weight relative to the total weight of the composition.
• composition according to the present invention comprises (c) water.
• the amount of (c) water in the composition according to the present invention may be 25% by weight or more, preferably 30% by weight or more, and more preferably 35% by weight or more, relative to the total weight of the composition.
• the amount of (c) water in the composition according to the present invention may be 95% by weight or less, preferably 90% by weight or less, and more preferably 85% by weight or less, relative to the total weight of the composition.
• the amount of (c) water in the composition according to the present invention may range from 25% to 95% by weight, preferably from 30% to 90% by weight, more preferably from 35% to 85% by weight, relative to the total weight of the composition.
• composition according to the present invention may comprise (d) at least one lipophilic organic UV filter.
• a single type of lipophilic organic UV filter may be used, but two or more different types of lipophilic organic UV filter may be used in combination.
• lipophilic organic UV filter means an organic molecule that is capable of screening out UV radiation, preferably between 290 and 400 nm, and which can be dissolved in or dispersed in a fatty phase, including a fatty substance such as an oil, in order to obtain a macroscopically homogeneous phase.
• organic molecule means any molecule comprising in its structure one or more carbon atoms.
• the (d) lipophilic organic UV filter used for the present invention may be active in the UV-A and/or UV-B region.
• the (d) lipophilic organic UV filter may be solid or liquid.
• solid and liquid mean solid and liquid, respectively, at 25°C under 1 atm.
• the (d) lipophilic organic UV filter may be chosen especially from cinnamic derivatives; anthranilates; salicylic derivatives; dibenzoylmethane derivatives, camphor derivatives; benzophenone derivatives; ⁇ , ⁇ -diphenylacrylate derivatives; triazine derivatives; benzotriazole derivatives; benzalmalonate derivatives, especially those mentioned in patent US 5 624 663; imidazolines; p-aminobenzoic acid (PABA) derivatives; benzoxazole derivatives as described in patent applications EP 0 832 642, EP 1 027 883, EP 1 300 137, and DE 101 62 844; screening polymers and screening silicones such as those described especially in patent application WO 93/04665; ⁇ -alkylstyrene-based dimers, such as those described in patent application DE 198 55 649; 4,4-diarylbutadienes such as those described in patent applications EP 0967200, DE 19746 654, DE
• Ethylhexyl Dimethyl PABA sold in particular under the name Escalol 507 by ISP,
• Ethylhexyl methoxycinnamate sold especially under the trade name Parsol MCX by DSM Nutritional Products,
• Neo Heliopan E 1000 Isoamyl methoxycinnamate sold under the trade name Neo Heliopan E 1000 by Symrise, Cinoxate,
• Etocrylene sold in particular under the trade name Uvinul N35 by BASF,
• Benzophenone-3 or oxybenzone sold under the trade name Uvinul M40 by BASF
• Benzophenone-6 sold under the trade name Helisorb 11 by Norquay
• Benzophenone-8 sold under the trade name Spectra-Sorb UV-24 by American Cyanamid, Benzophenone- 12,
• Ethylhexyl triazone sold in particular under the trade name Uvinul T150 by BASF, Diethylhexyl Butamido Triazone sold under the trade name Uvasorb HEB by Sigma 3 V, 2,4,6-Tris(dineopentyl 4'-aminobenzalmalonate)-s-triazine,
• Neo Heliopan MA Menthyl Anthranilate sold under the trade name Neo Heliopan MA by Symrise,
• Polyorganosiloxane containing benzalmalonate functions for instance Polysilicone-15, sold under the trade name Parsol SLX by DSM,
• the (d) lipophilic organic UV filter may be chosen from:
• the (d) lipophilic organic UV filter may be chosen from:
• Drometrizole trisiloxane and mixtures thereof.
• composition according to the present invention may include, as the (d) lipophilic organic UV filter, at least one selected from the group consisting of drometrizole trisiloxane, bis(ethylhexyloxyphenol)methoxyphenyltriazine, ethylhexyl triazone, diethylamino hydroxybenzoyl hexyl benzoate, butyl methoxybenzoylmethane, ethylhexyl methoxycinnamate, ethylhexyl salicylate, octocrylene, homosalate, and a mixture thereof,
• the amount of the (d) lipophilic organic UV filter(s) in the composition according to the present invention may be 1% by weight or more, preferably 3% by weight or more, and more preferably 5% by weight or more, relative to the total weight of the composition.
• the amount of the (d) lipophilic organic UV filter(s) in the composition according to the present invention may be 30% by weight or less, preferably 25% by weight or less, and more preferably 10% by weight or less, relative to the total weight of the composition.
• the amount of the (d) lipophilic organic UV filter(s) in the composition according to the present invention may range from 1% to 30% by weight, preferably from 3% to 25% by weight, and more preferably from 5% to 20% by weight, relative to the total weight of the composition.
• composition according to the present invention may comprise (e) at least one oil. If two or more oils are used, they may be the same or different.
• the (e) oil is different from the (d) lipophilic organic UV filter.
• oils means a fatty compound or substance which is in the form of a liquid or a paste (non- solid) at room temperature (25 °C) under atmospheric pressure (760 mmHg).
• oils those generally used in cosmetics can be used alone or in combination thereof. These oils may be volatile or non-volatile.
• the (e) oil may be a non-polar oil such as a hydrocarbon oil, a silicone oil, or the like; a polar oil such as a plant or animal oil and an ester oil or an ether oil; or a mixture thereof.
• the (e) oil may be selected from the group consisting of oils of plant or animal origin, synthetic oils, silicone oils, hydrocarbon oils, and fatty alcohols.
• plant oils mention may be made of, for example, linseed oil, camellia oil, macadamia nut oil, corn oil, mink oil, olive oil, avocado oil, sasanqua oil, castor oil, safflower oil, jojoba oil, sunflower oil, almond oil, rapeseed oil, sesame oil, soybean oil, peanut oil, and mixtures thereof.
• animal oils mention may be made of, for example, squalene and squalane.
• alkane oils such as isododecane and isohexadecane
• ester oils such as isododecane and isohexadecane
• ether oils such as triglycerides
• the ester oils are preferably liquid esters of saturated or unsaturated, linear or branched C 1 -C 26 aliphatic monoacids or polyacids and of saturated or unsaturated, linear or branched C 1 -C 26 aliphatic monoalcohols or polyalcohols, the total number of carbon atoms of the esters being greater than or equal to 10.
• esters of monoalcohols Preferably, for the esters of monoalcohols, at least one from among the alcohol and the acid from which the esters are derived is branched.
• ethyl palmitate ethyl hexyl palmitate
• isopropyl palmitate dicaprylyl carbonate
• alkyl myristates such as isopropyl myristate or ethyl myristate
• isocetyl stearate 2-ethylhexyl isononanoate
• isononyl isononanoate isodecyl neopentanoate
• isostearyl neopentanoate isostearyl neopentanoate.
• Esters of C 4 -C 22 dicarboxylic or tricarboxylic acids and of C 1 -C 22 alcohols, and esters of monocarboxylic, dicarboxylic, or tricarboxylic acids and of non-sugar C 4 -C 26 dihydroxy, trihydroxy, tetrahydroxy, or pentahydroxy alcohols may also be used.
• ester oils one can use sugar esters and diesters of C 6 -C 30 and preferably C 12 -C 22 fatty acids.
• sugar means oxygen-bearing hydrocarbon-based compounds containing several alcohol functions, with or without aldehyde or ketone functions, and which comprise at least 4 carbon atoms. These sugars may be monosaccharides, oligosaccharides, or polysaccharides.
• suitable sugars include sucrose (or saccharose), glucose, galactose, ribose, fucose, maltose, fructose, mannose, arabinose, xylose, and lactose, and derivatives thereof, especially alkyl derivatives, such as methyl derivatives, for instance methylglucose.
• the sugar esters of fatty acids may be chosen especially from the group comprising the esters or mixtures of esters of sugars described previously, and of linear or branched, saturated or unsaturated C 6 -C 30 and preferably C 12 -C 22 fatty acids. If they are unsaturated, these compounds may have one to three conjugated or non-conjugated carbon-carbon double bonds.
• esters according to this variant may also be selected from monoesters, diesters, triesters, tetraesters, and polyesters, and mixtures thereof.
• esters may be, for example, oleates, laurates, palmitates, myristates, behenates, cocoates, stearates, linoleates, linolenates, caprates, and arachidonates, or mixtures thereof such as, especially, oleopalmitate, oleostearate, and palmitostearate mixed esters, as well as pentaerythrityl tetraethyl hexanoate.
• monoesters and diesters and especially sucrose, glucose, or methylglucose monooleates or dioleates, stearates, behenates, oleopalmitates, linoleates, linolenates, and oleostearates.
• ester oils mention may be made of, for example, diisopropyl adipate, dioctyl adipate, 2-ethylhexyl hexanoate, ethyl laurate, cetyl octanoate, octyldodecyl octanoate, isodecyl neopentanoate, myristyl propionate, 2-ethylhexyl 2-ethylhexanoate, 2-ethylhexyl octanoate, 2-ethylhexyl caprylate/caprate, methyl palmitate, ethyl palmitate, isopropyl palmitate, dicaprylyl carbonate, isopropyl lauroyl sarcosinate, isononyl isononanoate, ethylhexyl palmitate, isohexyl laurate, hex
• artificial triglycerides mention may be made of, for example, capryl caprylyl glycerides, glyceryl trimyristate, glyceryl tripalmitate, glyceryl trilinolenate, glyceryl trilaurate, glyceryl tricaprate, glyceryl tricaprylate, glyceryl tri(caprate/caprylate), and glyceryl tri(caprate/caprylate/linolenate).
• capryl caprylyl glycerides glyceryl trimyristate, glyceryl tripalmitate, glyceryl trilinolenate, glyceryl trilaurate, glyceryl tricaprate, glyceryl tricaprylate, glyceryl tri(caprate/caprylate), and glyceryl tri(caprate/caprylate/linolenate).
• silicone oils mention may be made of, for example, linear organopolysiloxanes such as dimethylpolysiloxane, methylphenylpolysiloxane, methylhydrogenpolysiloxane, and the like; cyclic organopolysiloxanes such as cyclohexasiloxane, octamethylcyclotetrasiloxane, decamethylcyclopentasiloxane, dodecamethylcyclohexasiloxane, and the like; and mixtures thereof.
• linear organopolysiloxanes such as dimethylpolysiloxane, methylphenylpolysiloxane, methylhydrogenpolysiloxane, and the like
• cyclic organopolysiloxanes such as cyclohexasiloxane, octamethylcyclotetrasiloxane, decamethylcyclopentasiloxane, dodeca
• the silicone oil is chosen from liquid polydialkylsiloxanes, especially liquid polydimethylsiloxanes (PDMS) and liquid polyorganosiloxanes comprising at least one aryl group.
• PDMS liquid polydimethylsiloxanes
• silicone oils may also be organomodified.
• organomodified silicones that can be used for the present invention are silicone oils as defined above, and comprise in their structure one or more organofunctional groups attached via a hydrocarbon-based group.
• Organopolysiloxanes are defined in greater detail in Walter Noll's Chemistry and Technology of Silicones (1968), Academic Press. They may be volatile or non-volatile.
• the silicones are more particularly chosen from those having a boiling point of between 60°C and 260°C, and even more particularly from:
• cyclic polydialkylsiloxanes comprising from 3 to 7 and preferably 4 to 5 silicon atoms.
• cyclic polydialkylsiloxanes comprising from 3 to 7 and preferably 4 to 5 silicon atoms.
• These are, for example, octamethylcyclotetrasiloxane sold in particular under the name Volatile Silicone® 7207 by Union Carbide or Silbione® 70045 V2 by Rhodia, decamethylcyclopentasiloxane sold under the name Volatile Silicone® 7158 by Union Carbide, Silbione® 70045 V5 by Rhodia, and dodecamethylcyclopentasiloxane sold under the name Silsoft 1217 by Momentive Performance Materials, and mixtures thereof. Mention may also be made of cyclocopolymers of the type such as dimethylsiloxane/methylalkylsiloxane, such as Silicone Volatile® FZ 3109 sold by the company Union Carbide, of the formula:
• Non-volatile poly dialkylsiloxanes may also be used. These non-volatile silicones are more particularly chosen from polydialkylsiloxanes, among which mention may be made mainly of polydimethylsiloxanes containing trimethylsilyl end groups,
• polydialkylsiloxanes mention may be made, in a non-limiting manner, of the following commercial products: the Silbione® oils of the 47 and 70 047 series or the Mirasil® oils sold by Rhodia, for instance the oil 70047 V 500 000; the oils of the Mirasil® series sold by the company Rhodia; the oils of the 200 series from the company Dow Corning, such as DC200 with a viscosity of 60 000 mm 2 /s; and the Viscasil® oils from General Electric and certain oils of the SF series (SF 96, SF 18) from General Electric.
• the Silbione® oils of the 47 and 70 047 series or the Mirasil® oils sold by Rhodia for instance the oil 70047 V 500 000
• the oils of the Mirasil® series sold by the company Rhodia the oils of the 200 series from the company Dow Corning, such as DC200 with a viscosity of 60 000 mm 2 /s
• Viscasil® oils from General Electric and certain oils of the SF
• CTFA dimethiconol
• silicones containing aryl groups mention may be made of polydiarylsiloxanes, especially poly diphenylsiloxanes and polyalkylarylsiloxanes such as phenyl silicone oil.
• the phenyl silicone oil may be chosen from the phenyl silicones of the following formula:
• R 1 to R 10 are saturated or unsaturated, linear, cyclic or branched C 1 - C 30 hydrocarbon-based radicals, preferably C 1 -C 12 hydrocarbon-based radicals, and more preferably C 1 -C 6 hydrocarbon-based radicals, in particular methyl, ethyl, propyl, or butyl radicals, and m, n, p, and q are, independently of each other, integers of 0 to 900 inclusive, preferably 0 to 500 inclusive, and more preferably 0 to 100 inclusive, with the proviso that the sum n+m+q is other than 0.
• oils of the 70 641 series from Rhodia examples include the products sold under the following names: the Silbione® oils of the 70 641 series from Rhodia; the oils of the Rhodorsil® 70 633 and 763 series from Rhodia; the oil Dow Corning 556 Cosmetic Grade Fluid from Dow Corning; the silicones of the PK series from Bayer, such as the product PK20; certain oils of the SF series from General Electric, such as SF 1023, SF 1154, SF 1250, and SF 1265.
• the hydrocarbon oils may be chosen from: linear or branched, optionally cyclic, C 5 -C 19 alkanes. Examples that may be mentioned include hexane, undecane, dodecane, tridecane, and isoparaffins, for instance isohexadecane, isododecane, and isodecane; and linear or branched hydrocarbons containing more than 16 carbon atoms, such as liquid paraffins, liquid petroleum jelly, polydecenes and hydrogenated polyisobutenes such as Parleam®, and squalane.
• hydrocarbon oils As preferable examples of hydrocarbon oils, mention may be made of, for example, linear or branched hydrocarbons such as isohexadecane, isododecane, squalane, mineral oil (e.g., liquid paraffin), paraffin, vaseline or petrolatum, naphthalenes, and the like; hydrogenated polyisobutene, isoeicosan, and decene/butene copolymer; and mixtures thereof.
• linear or branched hydrocarbons such as isohexadecane, isododecane, squalane, mineral oil (e.g., liquid paraffin), paraffin, vaseline or petrolatum, naphthalenes, and the like; hydrogenated polyisobutene, isoeicosan, and decene/butene copolymer; and mixtures thereof.
• fatty in the fatty alcohol means the inclusion of a relatively large number of carbon atoms.
• alcohols which have 4 or more, preferably 6 or more, and more preferably 12 or more carbon atoms are encompassed within the scope of fatty alcohols.
• the fatty alcohol may be saturated or unsaturated.
• the fatty alcohol may be linear or branched.
• the faty alcohol may have the structure R-OH wherein R is chosen from saturated and unsaturated, linear and branched radicals containing from 4 to 40 carbon atoms, preferably from 6 to 30 carbon atoms, and more preferably from 12 to 20 carbon atoms.
• R may be chosen from C 12 -C 20 alkyl and C 12 -C 20 alkenyl groups.
• R may or may not be substituted with at least one hydroxyl group.
• fatty alcohol examples include lauryl alcohol, cetyl alcohol, stearyl alcohol, isostearyl alcohol, behenyl alcohol, undecylenyl alcohol, myristyl alcohol, octyldodecanol, hexyldecanol, oleyl alcohol, linoleyl alcohol, palmitoleyl alcohol, arachidonyl alcohol, erucyl alcohol, and mixtures thereof.
• the faty alcohol be a saturated fatty alcohol.
• the faty alcohol may be selected from straight or branched, saturated or unsaturated C 6 -C 30 alcohols, preferably straight or branched, saturated C 6 -C 30 alcohols, and more preferably straight or branched, saturated C 12 -C 20 alcohols.
• saturated fatty alcohol here means an alcohol having a long aliphatic saturated carbon chain. It is preferable that the saturated fatty alcohol be selected from any linear or branched, saturated C 6 -C 30 fatty alcohols. Among the linear or branched, saturated C 6 -C 30 faty alcohols, linear or branched, saturated C 12 -C 20 faty alcohols may preferably be used. Any linear or branched, saturated C 16 -C 20 fatty alcohols may be more preferably used. Branched C 16 -C 20 fatty alcohols may be even more preferably used.
• saturated faty alcohols mention may be made of lauryl alcohol, cetyl alcohol, stearyl alcohol, isostearyl alcohol, behenyl alcohol, undecylenyl alcohol, myristyl alcohol, octyldodecanol, hexyldecanol, and mixtures thereof.
• cetyl alcohol, stearyl alcohol, octyldodecanol, hexyldecanol, or a mixture thereof (e.g., cetearyl alcohol) as well as behenyl alcohol can be used as a saturated fatty alcohol.
• the fatty alcohol used in the composition according to the present invention is preferably chosen from cetyl alcohol, octyldodecanol, hexyldecanol, and mixtures thereof.
• the (e) oil be chosen from oils with a molecular weight below 600 g/mol.
• the (e) oil has a low molecular weight such as below 600 g/mol, chosen among ester oils with a short hydrocarbon chain or chains (C 1 -C 12 ) (e.g., isopropyl lauroyl sarcosinate, isopropyl myristate, isopropyl palmitate, isononyl isononanoate, and ethyl hexyl palmitate), silicone oils (e.g., volatile silicones such as cyclohexasiloxane), hydrocarbon oils (e.g., isododecane, isohexadecane, and squalane), branched and/or unsaturated fatty alcohol (C 12 -C 30 ) type oils such as octyldodecanol and oleyl alcohol, and ether oils such as dicaprylyl ether.
• C 1 -C 12 e.g., isopropyl lauroyl sarcos
• the (e) oil may be chosen from polar oils, preferably from ester oils, and more preferably ethylhexyl palmitate, and preferably from artificial triglycerides, and more preferably caprylic/capric triglyceride.
• the amount of the (e) oil(s) in the composition according to the present invention may be 1% by weight or more, preferably 5% by weight or more, and more preferably 10% by weight or more, relative to the total weight of the composition.
• the amount of the (e) oil(s) in the composition according to the present invention may be 50% by weight or less, preferably 45% by weight or less, and more preferably 40% by weight or less, relative to the total weight of the composition,
• the amount of the (e) oil(s) in the composition according to the present invention may range from 1% to 50% by weight, preferably from 5% to 45% by weight, more preferably from 10% to 40% by weight, relative to the total weight of the composition.
• composition according to the present invention may further comprise (f) at least one nonionic surfactant.
• a single type of nonionic surfactant may be used, but two or more different types of nonionic surfactant may be used in combination.
• the (f) nonionic surfactant may further enhance the stability of the composition according to the present invention.
• the (f) nonionic surfactant may be chosen from:
• surfactants chosen from polyglyceryl fatty acid esters, polyoxyalkyl enated alkyl glycerides, and polyoxyalkylenated fatty ethers;
• surfactants chosen from fatty esters of sorbitan and oxyalkylenated fatty esters of sorbitan, and oxyalkylenated fatty esters;
• the surfactant (1) may be a fluid at a temperature of less than or equal to 45°C.
• the surfactant (1) may be selected in particular from: polyglyceryl fatty acid esters of at least one, preferably one, fatty acid comprising at least one saturated or unsaturated, linear or branched C 8 -C 22 hydrocarbon group such as C 8 - C 22 alkyl or alkenyl group, preferably C 8 -C 18 alkyl or alkenyl group, and more preferably C 8 -C 12 alkyl or alkenyl group, and of 2-12 glycerols, preferably 2-10 glycerols and more preferably 2-8 glycerols; polyoxyethylenated (PEGylated) alkyl glycerides such as polyethylene glycol derivatives of a mixture of mono-, di- and tri-glycerides of caprylic and capric acids (preferably 2 to 30 ethylene oxide units, more preferably 2 to 20 ethylene oxide units, and even more preferably 2 to 10 ethylene oxide units), e.g., PEG-6 Caprylic/Capric
• the (f) nonionic surfactant be a mixture of at least two selected from the above polyglyceryl fatty acid esters, polyoxyethylenated alkyl glycerides, and polyoxyethylenated fatty ethers.
• the polyglyceryl fatty acid ester have a polyglycerol moiety derived from 2 to 8 glycerols, more preferably from 2 to 6 glycerols, and even more preferably 2 to 4 glycerols.
• the polyglyceryl fatty acid ester may be chosen from the mono, di and tri esters of saturated or unsaturated acid, preferably saturated acid, including 8 to 22 carbon atoms, preferably 8 to 18 carbon atoms, and more preferably 8 to 12 carbon atoms, such as caprylic acid, capric acid, lauric acid, oleic acid, stearic acid, isostearic acid, and myristic acid.
• the polyoxyalkylenated fatty ethers may comprise from 2 to 60 ethylene oxide units, preferably from 2 to 30 ethylene oxide units, and more preferably from 2 to 10 ethylene oxide units.
• the fatty chain of the ethers may be chosen in particular from lauryl, behenyl, arachidyl, stearyl and cetyl units, and mixtures thereof, such as cetearyl.
• ethoxylated fatty ethers which may be mentioned are lauryl alcohol ethers comprising 2, 3, 4, and 5 ethylene oxide units (CTFA names: Laureth-2, Laureth-3, Laureth-4, and Laureth-5, such as the products sold under the names Nikko 1 BL-2 by the company Nikko Chemicals, Emalex 703 by the company Nihon Emulsion Co., Ltd, Nikkol BL-4 by the company Nikko Chemicals, and EMALEX 705 by the company Nihon Emulsion Co., Ltd.
• CTFA names Laureth-2, Laureth-3, Laureth-4, and Laureth-5
• the (2) mixed esters of fatty acids, or of fatty alcohol, of carboxylic acid and of glycerol, which can be used as the above nonionic surfactant, may be chosen in particular from the group comprising mixed esters of fatty acid or of fatty alcohol with an alkyl or alkenyl chain containing from 8 to 22 carbon atoms, preferably from 8 to 18 carbon atoms, and more preferably from 8 to 12 carbon atoms, and of a-hydroxy acid and/or of succinic acid, with glycerol.
• the ⁇ -hydroxy acid may be, for example, citric acid, lactic acid, glycolic acid or malic acid, and mixtures thereof.
• the alkyl chain of the fatty acids or alcohols from which are derived the mixed esters which can be used in the nanoemulsion of the invention may be linear or branched, and saturated or unsaturated. They may especially be stearate, isostearate, linoleate, oleate, behenate, arachidonate, palmitate, myristate, laurate, caprate, isostearyl, stearyl, linoleyl, oleyl, behenyl, myristyl, lauryl or capryl chains, and mixtures thereof.
• mixed esters which can be used in the nanoemulsion of the invention, mention may be made of the mixed ester of glycerol and of the mixture of citric acid, lactic acid, linoleic acid and oleic acid (CTFA name: Glyceryl citrate/lactate/linoleate/oleate) sold by the company Hüls under the name Imwitor 375; the mixed ester of succinic acid and of isostearyl alcohol with glycerol (CTFA name: Isostearyl diglyceryl succinate) sold by the company Hüls under the name Imwitor 780 K; the mixed ester of citric acid and of stearic acid with glycerol (CTFA name: Glyceryl stearate citrate) sold by the company Hüls under the name Imwitor 370; the mixed ester of lactic acid and of stearic acid with glycerol (CTFA name: Glyceryl stearate lactate) sold by the company Dan
• the (3) fatty acid esters of sugars which can be used as the above nonionic surfactant, may be chosen in particular from the group comprising esters or mixtures of esters of C 8 -C 22 fatty acid and of sucrose, of maltose, of glucose or of fructose, and esters or mixtures of esters of C 14 -C 22 fatty acid and of methylglucose.
• the C 8 -C 22 or C 14 -C 22 fatty acids forming the fatty unit of the esters which can be used in the present invention comprise a saturated or unsaturated linear alkyl or alkenyl chain containing, respectively, from 8 to 22 or from 14 to 22 carbon atoms.
• the fatty unit of the esters may be chosen in particular from stearates, behenates, arachidonates, palmitates, myristates, laurates and caprates, and mixtures thereof. Stearates are preferably used.
• esters or mixtures of esters of fatty acid and of sucrose, of maltose, of glucose or of fructose mention may be made of sucrose monostearate, sucrose distearate and sucrose tristearate and mixtures thereof, such as the products sold by the company Croda under the name Crodesta F50, F70, F110 and F160; and examples of esters or mixtures of esters of fatty acid and of methylglucose which may be mentioned are methylglucose polyglyceryl-3 distearate, sold by the company Goldschmidt under the name Tego-care 450. Mention may also be made of glucose or maltose monoesters such as methyl o-hexadecanoyl-6-D-glucoside and o- hexadecanoyl-6-D-maltoside.
• the (3) fatty alcohol ethers of sugars which can be used as the above nonionic surfactant, may be solid at a temperature of less than or equal to 45 °C and may be chosen in particular from the group comprising ethers or mixtures of ethers of C 8 -C 22 fatty alcohol and of glucose, of maltose, of sucrose or of fructose, and ethers or mixtures of ethers of a C 14 -C 22 fatty alcohol and of methylglucose. These are in particular alkylpoly glucosides.
• the C 8 -C 22 or C 14 -C 22 fatty alcohols forming the fatty unit of the ethers which may be used in the nanoemulsion of the invention comprise a saturated or unsaturated, linear alkyl or alkenyl chain containing, respectively, from 8 to 22 or from 14 to 22 carbon atoms.
• the fatty unit of the ethers may be chosen in particular from decyl, cetyl, behenyl, arachidyl, stearyl, palmityl, myristyl, lauryl, capryl and hexadecanoyl units, and mixtures thereof, such as cetearyl.
• alkylpolyglucosides such as decylglucoside and laurylglucoside, which is sold, for example, by the company Henkel under the respective names Plantaren 2000 and Plantaren 1200, cetostearyl glucoside optionally as a mixture with cetostearyl alcohol, sold for example, under the name Montanov 68 by the company SEPPIC, under the name Tego-care CG90 by the company Goldschmidt and under the name Emulgade KEG 302 by the company Henkel, as well as arachidyl glucoside, for example in the form of a mixture of arachidyl alcohol and behenyl alcohol and arachidyl glucoside, sold under the name Montanov 202 by the company SEPPIC,
• the surfactant used more particularly is sucrose monostearate, sucrose distearate or sucrose tristearate and mixtures thereof, methylglucose polyglyceryl-3 distearate and alkylpolyglucosides.
• the (4) fatty esters of sorbitan and oxyalkylenated fatty esters of sorbitan which may be used as the above nonionic surfactant may be chosen from the group comprising C 16 -C 22 fatty acid esters of sorbitan and oxyethylenated C 16 -C 22 fatty acid esters of sorbitan. They may be formed from at least one fatty acid comprising at least one saturated linear alkyl chain containing, respectively, from 16 to 22 carbon atoms, and from sorbitol or from ethoxylated sorbitol.
• the oxyethylenated esters may generally comprise from 1 to 100 ethylene glycol units and preferably from 2 to 40 ethylene oxide (EG) units.
• esters may be chosen in particular from stearates, behenates, arachidates, palmitates, and mixtures thereof, Stearates and palmitates are preferably used.
• nonionic surfactant can be used in the present invention
• the (4) oxyalkylenated fatty esters may be esters formed from 1 to 100 ethylene oxide units, preferably from 2 to 60 ethylene oxide units, and more preferably from 2 to 30 ethyle oxide units, and from at least one fatty acid chain containing from 8 to 22 carbon atoms, preferably from 8 to 18 carbon atoms, and more preferably from 8 to 12 carbon atoms.
• the fatty chain in the esters may be chosen in particular from stearate, behenate, arachidate and palmitate units, and mixtures thereof.
• ethoxylated fatty esters which may be mentioned are the ester of stearic acid comprising 40 ethylene oxide units, such as the product sold under the name Myrj 52 (CTFA name: PEG-40 stearate) by the company ICI, as well as the ester of behenic acid comprising 8 ethylene oxide units (CTFA name: PEG-8 behenate), such as the product sold under the name Compritol HD5 ATO by the company Gattefosse.
• the (5) block copolymers of ethylene oxide (A) and of propylene oxide (B), which may be used as the above nonionic surfactant, may be chosen in particular from block copolymers of formula (I):
• the (6) polyoxyethylenated (1-40 EO) and polyoxypropylenated (1-30 PO) allcyl (C 16 -C 30 ) ethers which may be used as the above nonionic surfactant, may be selected from the group consisting of:
• PPG-6 Decyltetradeceth-30 Polyoxyethlene (30) Polyoxypropylene (6) Tetradecyl Ether such as those sold as Nikkol PEN-4630 from Nikko Chemicals Co.,
• PPG-6 Decyltetradeceth-12 Polyoxyethylene (12) Polyoxypropylene (6) Tetradecyl Ether such as those sold as Nikkol PEN-4612 from Nikko Chemicals Co.,
• PPG-6 Decyltetradeceth-20 Polyoxyethylene (20) Polyoxypropylene (6) Decyltetradecyl Ether such as those sold as Nikkol PEN-4620 from Nikko Chemicals Co.,
• PPG-4 Ceteth-1 Polyoxyethylene
• Polyoxypropylene (4) Cetyl Ether such as those sold as Nikkol PBC-31 from Nikko Chemicals Co.
• PPG-8 Ceteth-1 Polyoxyethylene
• Polyoxypropylene (8) Cetyl Ether such as those sold as Nikkol PBC-41 from Nikkol Chemicals Co.
• PPG-4 Ceteth-10 Polyoxyethylene (10) Polyoxypropylene (4) Cetyl Ether such as those sold as Nikkol PBC-33 from Nikko Chemicals Co.,
• PPG-23 Steareth-34 Polyoxyethylene Polyoxypropylene Stearyl Ether (34 EO) (23 PO) such as those sold as Unisafe 34S-23 from Pola Chemical Industries. They can provide a composition with stability for a long time, even though the temperature of the composition is increased and decreased in a relatively short period of time.
• polyoxyethylenated (1-40 EO) and polyoxypropylenated (1-30 PO) alkyl (C 16 -C 30 ) ethers are (15-40 EO) and polyoxypropylenated (5-30 PO) alkyl (C 16 -C 24 ) ethers, which could be selected from the group consisting of PPG-6 Decyltetradeceth-30, PPG-13 Decyltetradeceth-24, PPG-6 Decyltetradeceth-20, PPG-5 Ceteth-20, PPG-8 Ceteth-20, and PPG- 23 Steareth-34.
• polyoxyethylenated (1-40 EO) and polyoxypropylenated (1-30 PO) alkyl (C 16 -C 30 ) ethers are (15-40 EO) and polyoxypropylenated (5-30 PO) alkyl (C 16 -C 24 ) ethers, which could be selected from the group consisting of PPG-6 Decyltetradeceth-30, PPG-13 Decyltetradeceth-24, PPG-5 Ceteth-20, and PPG-8 Ceteth-20.
• silicone surfactants which may be used as the above nonionic surfactant, mention may be made of those disclosed in documents US-A-5364633 and US-A-5411744.
• the (7) silicone surfactant as the above nonionic surfactant may preferably be a compound of formula (I): in which:
• R 1 , R 2 and R 3 independently of each other, represent a C 1 -C 6 alkyl radical or a radical -(CH 2 ) X - (OCH 2 CH 2 )y-(OCH 2 CH 2 CH 2 ) z -OR 4 , at least one radical R 1 , R 2 or R 3 not being an alkyl radical; R 4 being a hydrogen, an alkyl radical or an acyl radical;
• A is an integer ranging from 0 to 200;
• B is an integer ranging from 0 to 50; with the proviso that A and B are not simultaneously equal to zero; x is an integer ranging from 1 to 6; y is an integer ranging from 1 to 30; z is an integer ranging from 0 to 5.
• the alkyl radical is a methyl radical
• x is an integer ranging from 2 to 6
• y is an integer ranging from 4 to 30.
• silicone surfactants of formula (I) mention may be made of the compounds of formula (II): in which A is an integer ranging from 20 to 105, B is an integer ranging from 2 to 10 and y is an integer ranging from 10 to 20.
• silicone surfactants of formula (I) mention may also be made of the compounds of formula (III): in which A' and y are integers ranging from 10 to 20.
• DC 5329, DC 7439-146, DC 2-5695 and Q4-3667 are compounds of formula (II) in which, respectively, A is 22, B is 2 and y is 12; A is 103, B is 10 and y is 12; A is 27, B is 3 and y is 12.
• the compound Q4-3667 is a compound of formula (III) in which A is 15 and y is 13.
• the (f) nonionic surfactant may have an HLB (Hydrophilic Lipophilic Balance) value of from 8.0 to 14.0, preferably from 9.0 to 13.5, and more preferably from 10.0 to 13.0. If two or more nonionic surfactants are used, the HLB value is determined by the weighted average of the HLB values of all the nonionic surfactants. It is preferable that the (f) nonionic surfactant be selected from polyglyceryl fatty acid esters, and more preferably polyglyceryl fatty acid monoesters.
• HLB Hydrophilic Lipophilic Balance
• the (f) nonionic surfactant may be a mixture of a first polyglyceryl fatty acid monoester with an HLB value of less than 10, preferably less than 9, and more preferably less than 8, and a second polyglyceryl fatty acid monoester with an HLB value of more than 11, preferably more than 12, and more preferably more than 13.
• the amount of the (f) nonionic surfactant(s) in the composition according to the present invention may be 0.01% by weight or more, preferably 0.05% by weight or more, and more preferably 0.1% by weight or more relative to the total weight of the composition.
• the amount of the (f) nonionic surfactant(s) in the composition according to the present invention may be 5% by weight or less, preferably 3% by weight or less, and more preferably 1% by weight or less relative to the total weight of the composition.
• the amount of the (f) nonionic surfactant(s) in the composition according to the present invention may range from 0.01% to 5% by weight, preferably from 0.05% to 3% by weight, more preferably from 0.1% to 1% by weight relative to the total weight of the composition.
• composition according to the present invention may further comprise (g) at least one inorganic particle.
• a single type of inorganic particle may be used, but two or more different types of inorganic particle may be used in combination.
• the particle size of the (g) inorganic particle corresponds to a primary particle size.
• the particle size here means an average or mean particle size, which may be a volume-average particle size, which can be determined by, for example, a laser diffraction particle size analyzer.
• the particle size of the (g) inorganic particle used for the present invention is not limited. However, it is preferable that the particle size of the (f) inorganic particle be 50 ⁇ m or less, preferably 30 ⁇ m or less, more preferably 15 ⁇ m or less, even more preferably 10 ⁇ m or less, and particularly preferably from 2 to 5 ⁇ m.
• the (g) inorganic particle may or may not be porous, preferably non-porous.
• the (g) inorganic particle may be hollow or solid, preferably hollow.
• the (g) inorganic particle may comprise or consists of at least one material selected from:
• metal oxides such as zirconium oxides, cerium oxides, iron oxides and titanium oxides
• - silicates such as talc, clays and kaolin
• silica particles mention may be made of hollow spherical silica particles such as the products sold under the trade name BA4 from the company JGC Catalysts and Chemicals Ltd. in Japan.
• the amount of the (g) inorganic particle(s) in the composition according to the present invention may be 1% by weight or more, preferably 2% by weight or more, and more preferably 3% by weight or more, relative to the total weight of the composition.
• the amount of the (g) inorganic particle(s) in the composition according to the present invention may be 20% by weight or less, preferably 15% by weight or less, and more preferably 10% by weight or less, relative to the total weight of the composition.
• the amount of the (g) inorganic particle(s) in the composition according to the present invention may range from 1% to 20% by weight, preferably from 2% to 15% by weight, more preferably from 3% to 10% by weight, relative to the total weight of the composition.
• composition according to the present invention may also comprise an effective amount of additional optional ingredients), known previously elsewhere in cosmetic compositions, for example, anionic, cationic or amphoteric surfactants; organic powders different from the ingredient (a); thickeners different from the ingredient (b); sequestering agents such as EDTA and trisodium ethylenediamine disuccinate; preserving agents; vitamins or provitamins, for instance, panthenol; fragrances; plant extracts; and so on.
• additional optional ingredients known previously elsewhere in cosmetic compositions, for example, anionic, cationic or amphoteric surfactants; organic powders different from the ingredient (a); thickeners different from the ingredient (b); sequestering agents such as EDTA and trisodium ethylenediamine disuccinate; preserving agents; vitamins or provitamins, for instance, panthenol; fragrances; plant extracts; and so on.
• composition according to the present invention may include one or several cosmetically acceptable organic solvents, which may be alcohols: in particular monovalent alcohols such as ethyl alcohol, isopropyl alcohol, benzyl alcohol, phenoxyethanol and phenylethyl alcohol; diols such as ethylene glycol, caprylyl glycol, propylene glycol, dipropylene glycol, and butylene glycol; other polyols such as glycerol, sugar, and sugar alcohols; and ethers such as ethylene glycol monomethyl, monoethyl, and monobutyl ethers, propylene glycol monomethyl, monoethyl, and monobutyl ether, and butylene glycol monomethyl, monoethyl, and monobutyl ethers.
• alcohols in particular monovalent alcohols such as ethyl alcohol, isopropyl alcohol, benzyl alcohol, phenoxyethanol and phenylethyl alcohol; diols such as ethylene glycol
• the organic water-soluble solvents may be present in an amount ranging from 0.01% by weight or more, preferably 0.1% by weight or more, and more preferably 1% by weight or more, relative to the total weight of the composition.
• the organic water-soluble solvents may be present in an amount ranging from 20% by weight or less, preferably 15% by weight or less, and more preferably 10% by weight or less, relative to the total weight of the composition.
• the organic water-soluble solvents may be present in an amount ranging from 0.01% to 20% by weight, preferably from 0.1% to 15% by weight, and more preferably from 1% to 10% by weight, relative to the total weight of the composition.
• composition according to the present invention can be prepared by mixing the essential ingredient(s) as explained above, and optional ingredient(s), if necessary, as explained above.
• the method and means to mix the above essential and optional ingredients are not limited. Any conventional method and means can be used to mix the above essential and optional ingredients to prepare the composition according to the present invention.
• the conventional method and means may include a homogenizer, for example a turbine mixer.
• composition according to the present invention may be in various forms.
• the composition according to the present invention includes (c) water
• the composition according to the present invention may be, for example, a fluid such as an aqueous solution.
• the aspect of the composition according to the present invention may be a gel, because the (b) associative polymer can function as a thickener.
• composition according to the present invention may be in the form of an O/W emulsion, if it includes (d) at least one lipophilic organic UV filter and/or (e) at least one oil.
• the aspect of the composition according to the present invention in the form of an O/W emulsion may be a paste or a cream.
• composition according to the present invention in the form of an O/W emulsion comprises dispersed fatty phases such as oil phases dispersed in a continuous aqueous phase.
• the dispersed fatty phases can be in the form of oil droplets in the aqueous phase.
• the aqueous phase may be thickened, because the (b) associative polymer can function as a thickener. It is preferable that the composition according to the present invention be in the form of an O/W gel emulsion.
• the O/W architecture or structure which consists of fatty phases dispersed in an aqueous phase, has an external aqueous phase, and therefore, the composition according to the present invention with the O/W architecture or structure can provide a pleasant feeling during use because of the feeling of immediate freshness that the aqueous phase can provide.
• the composition according to the present invention have a viscosity of 10,000 mPa ⁇ s or more, more preferably 15,000 mPa ⁇ s or more, and even more preferably 20,000 mPa ⁇ s or more.
• the viscosity can be measured with a B-type viscometer (for example, Rotor: No. 4, Rotation speed: 6 rpm, Measurement time: 1 minute) at 25°C.
• composition according to the present invention have a viscosity at 25°C of 200,000 mPa ⁇ s or less, more preferably 150,000 mPa ⁇ s or less, and even more preferably 100,000 mPa ⁇ s or less.
• composition according to the present invention have a viscosity at 25°C of from 10,000 mPa ⁇ s to 200,000 mPa ⁇ s, more preferably from 15,000 mPa ⁇ s to 150,000 mPa ⁇ s, and even more preferably from 20,000 mPa ⁇ s to 100,000 mPa ⁇ s.
• the composition according to the present invention be a cosmetic composition, and more preferably a cosmetic composition for a keratin substance such as skin.
• the composition according to the present invention can be used for a non-therapeutic process, such as a cosmetic process, for treating a keratin substance such as skin, hair, mucous membranes, nails, eyelashes, eyebrows and/or scalp, by being applied to the keratin substance.
• the present invention also relates to a cosmetic process for treating a keratin substance, preferably skin, comprising the step of applying the composition according to the present invention to the keratin substance.
• the present invention may also relate to a use of the composition according to the present invention as a cosmetic product or in a cosmetic product such as care products, for body and/or facial skin and/or mucous membranes and/or the scalp and/or the hair and/or the nails and/or the eyelashes and/or the eyebrows.
• composition according to the present invention can be used, as it is, as a cosmetic product.
• the composition according to the present invention can be used as an element of a cosmetic product.
• the composition according to the present invention can be added to or combined with any other elements to form a cosmetic product.
• the care product may be a lotion, a cream, and the like.
• the present invention may also relate to a use of (a) at least one cellulose particle in a composition comprising:
• the present invention may also relate to a use of (b) at least one associative polymer comprising one or more acrylic and/or methacrylic units, in a composition comprising:
• the present invention may also relate to a use of (a) at least one cellulose particle in a composition comprising:
• the present invention may also relate to a use of (b) at least one associative polymer comprising one or more acrylic and/or methacrylic units, in a composition comprising:
• composition (d) at least one lipophilic organic UV filter and/or (e) at least one oil, in order to cause texture transformation of the composition when being applied onto a keratin substance such as skin, preferably at the early stage of the application, and/or stabilize the composition.
• composition used in the above use according to the present invention include (f) at least one nonionic surfactant.
• composition used in the above use according to the present invention include (g) at least one inorganic particle.
• compositions in the form of an aqueous gel, according to Example 1A and Comparative Examples 1A-6A shown in Table 1A, were prepared by mixing the components shown in Table lAas follows:
• the wet point for oil was determined by the following protocol,
• the wet point for water was determined by the following protocol.
• Example 1A Five professional panelists evaluated “texture transformation” during the application of the compositions according to Example 1A and Comparative Examples 1A-6A. Each panelist took each composition and applied it circularly onto their faces. They evaluated the timing when texture transformation (from gel to liquid) occurred, and graded it from 1 (poor) to 5 (very good), which was then classified in the following 4 categories based on the average of the grade:
• compositions according to Example 1A and Comparative Examples 1A-6A were filled into a glass bottle and was held under temperature changing conditions at 4°C, 25°C, 37°C and 45°C for 2 months. Each sample was then investigated for the degree of change (aspect, color, and odor), and evaluated in accordance with the following criteria:
• the composition in the form of an aqueous gel according to the present invention was able to provide excellent cosmetic effects in terms of texture transformation, non-sticky feeling, and stability under temperature changes for 2 months, which could be attributed to a combination of the ingredients (a) and (b) under the presence of the ingredient (c).
• the composition according to the present invention can provide, in particular, an excellent feeling to the touch and stability for a long time period even under temperature changes.
• compositions according to Comparative Examples 1A- 3A which did not include the ingredient (a) (cellulose particles) showed inferior texture transformation and stickiness.
• composition according to Comparative Example 4A which included silica particles instead of the ingredient (a) showed inferior texture transformation.
• composition according to Comparative Example 5 A which did not include the ingredient (b) (acrylates/beheneth-25 methacrylate copolymer) could not be thickened, and showed inferior texture transformation and instability.
• composition according to Comparative Example 6A which included another thickener instead of the ingredient (b) showed inferior texture transformation.
• compositions in the form of a cream (an O/W emulsion), according to Example 2A and Comparative Examples 7A-10A, shown in Table 3A, were prepared by mixing the components shown in Table 3A as follows:
• the viscosity of the composition according to Comparative Example 9A could not be measured due to a phase separation of the composition.
• Example 2 A Five professional panelists evaluated “texture transformation” during the application of the compositions according to Example 2 A and Comparative Examples 7A- 10A. Each panelist took each composition and applied it circularly onto their faces. They evaluated the timing when texture transformation (from cream to liquid) occurred, and graded it from 1 (poor) to 5 (very good), which was then classified in the following 4 categories based on the average of the grade:
• compositions according to Example 2A and Comparative Examples 7A-10A were filled into a glass bottle and was held under temperature changing conditions at 4°C, 25°C, 37°C and 45 °C for 2 months, Each sample was then investigated for the degree of change (aspect, color, and odor), and evaluated in accordance with the following criteria:
• the composition in the form of a cream according to the present invention (Example 2A) was able to provide excellent cosmetic effects in terms of texture transformation, non-sticky feeling, and stability under temperature changes for 2 months, which could be attributed to a combination of the ingredients (a) and (b) under the presence of the ingredient (c).
• the composition according to the present invention can provide, in particular, an excellent feeling to the touch and stability for a long time period even under temperature changes.
• composition according to Comparative Example 7A which did not include the ingredient (a) (cellulose particles) showed inferior texture transformation and stickiness.
• composition according to Comparative Example 8 A which included silica particles instead of the ingredient (a) showed inferior texture transformation and instability.
• composition according to Comparative Example 9A which did not include the ingredient (b) (acrylates/beheneth-25 methacrylate copolymer) showed inferior texture transformation and instability.
• composition according to Comparative Example 10A which included another thickener instead of the ingredient (b) showed inferior texture transformation and instability.
• compositions in the form of an O/W emulsion, according to Examples 1B-2B and Comparative Examples 1B-2B shown in Table 1B, were prepared by mixing the components shown in Table 1B as follows:
• the wet point for oil was determined by the following protocol.
• the wet point for water was determined by the following protocol.
• compositions according to Examples 1B-2B and Comparative Examples 1B-2B were filled into a glass bottle and was held under temperature changing conditions at 4°C, 25°C, 37°C and 45°C for 2 months. Each sample was then investigated for the degree of change (aspect, color, and odor), and evaluated in accordance with the following criteria:
• the composition in the form of an O/W emulsion according to the present invention (Examples 1B and 2B) was able to provide excellent cosmetic effects in terms of texture transformation during application; non-sticky feeling, non-oily/greasy feeling, and non-shiny aspect, after application; and stability under temperature changes for 2 months, which could be attributed to a combination of the ingredients (a) and (b) under the presence of the ingredients (c) and (d).
• the composition according to the present invention can provide, in particular, an excellent feeling to the touch and stability for a long time period even under temperature changes.
• composition according to Example 2B is more preferable than the composition according to Example 1B, due to the presence of the ingredient (g) (silica particles), in terms of non-sticky feeling, non-oily/greasy feeling and non-shiny aspect, after application.
• compositions according to Comparative Example 1B which did not include the ingredient (a) (cellulose particles) showed inferior texture transformation, stickiness, oiliness/greasiness, and shiny aspect, as well as instability.
• composition according to Comparative Example 2B which did not include the ingredient (b) (acrylates/beheneth-25 methacrylate copolymer) could not be thickened well, and showed inferior texture transformation and instability.

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